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Standard Development Accounts

This document lists the standard development accounts used by Ethereum development tools including Hardhat, Anvil (Foundry), and Arc local development mode.

🔑 Account Details

These accounts are derived from the mnemonic: test test test test test test test test test test test junk

# Address Private Key Balance (Dev Mode)
0 0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266 0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80 10,000 ETH
1 0x70997970C51812dc3A010C7d01b50e0d17dc79C8 0x59c6995e998f97a5a0044966f0945389dc9e86dae88c7a8412f4603b6b78690d 10,000 ETH
2 0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC 0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a 10,000 ETH
3 0x90F79bf6EB2c4f870365E785982E1f101E93b906 0x7c852118294e51e653712a81e05800f419141751be58f605c371e15141b007a6 10,000 ETH
4 0x15d34AAf54267DB7D7c367839AAf71A00a2C6A65 0x47e179ec197488593b187f80a00eb0da91f1b9d0b13f8733639f19c30a34926a 10,000 ETH
5 0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc 0x8b3a350cf5c34c9194ca85829a2df0ec3153be0318b5e2d3348e872092edffba 10,000 ETH
6 0x976EA74026E726554dB657fA54763abd0C3a0aa9 0x92db14e403b83dfe3df233f83dfa3a0d7096f21ca9b0d6d6b8d88b2b4ec1564e 10,000 ETH
7 0x14dC79964da2C08b23698B3D3cc7Ca32193d9955 0x4bbbf85ce3377467afe5d46f804f221813b2bb87f24d81f60f1fcdbf7cbf4356 10,000 ETH
8 0x23618e81E3f5cdF7f54C3d65f7FBc0aBf5B21E8f 0xdbda1821b80551c9d65939329250298aa3472ba22feea921c0cf5d620ea67b97 10,000 ETH
9 0xa0Ee7A142d267C1f36714E4a8F75612F20a79720 0x2a871d0798f97d79848a013d4936a73bf4cc922c825d33c1cf7073dff6d409c6 10,000 ETH

🛠️ Usage

Hardhat Configuration

// hardhat.config.ts
networks: {
  arcnetwork: {
    url: "http://localhost:8545",
    chainId: 1337,
    accounts: [
      "0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80",
      "0x59c6995e998f97a5a0044966f0945389dc9e86dae88c7a8412f4603b6b78690d",
      // ... rest of the accounts
    ]
  }
}

Local Development Mode

# Start Arc node in local development mode
./scripts/localdev.mjs start

Anvil (Foundry)

# Start Anvil with default accounts
anvil

MetaMask Setup

To use these accounts in MetaMask:

  1. Add Network:

    • Network Name: Arc (Dev)
    • RPC URL: http://localhost:8545
    • Chain ID: 1337
    • Currency Symbol: USDC

  2. Import Account:

    • Copy any private key from the table above
    • In MetaMask: Account Menu → Import Account
    • Paste the private key

⚠️ Security Warning

NEVER use these accounts in production!

  • These private keys are publicly known
  • They are only safe for local development
  • Anyone can access funds sent to these addresses on mainnet
  • Use separate, secure accounts for any real value

🤝 Compatibility

These accounts are compatible with:

  • ✅ Hardhat Network
  • ✅ Anvil (Foundry)
  • ✅ MetaMask
  • ✅ Most Ethereum development tools

📚 References